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3. 'This is it…this is our normal' - the voices of family members and first responders experiencing duty-related trauma in Ireland.

Author

Traynor, A, Doyle, B, Eppich, W, Tjin, A, Mulhall, C, O'Toole, M, Traynor, A, Doyle, B, Eppich, W, Tjin, A, Mulhall, C, and O'Toole, M

Abstract

BACKGROUND: Compared to other occupational groups, first responders (FR) experience worse mental health outcomes due to duty-related trauma and occupational stressors. Despite their best efforts, they bring this stress home to friends and family. Consequently, FR and their supporters suffer from increased psychosocial difficulties and experience stigma and other barriers to help-seeking. Prior work offers little opportunity for open dialogue and shared understanding of the repercussions of this occupation for all members of the first responder community. In this qualitative study, we aimed to: (i) explore the lived experience of Irish FR and their family members (FM) related to occupational stressors, and (ii) identify opportunities to engage FM with existing organizational supports available for FR. METHODS: Using a community based participatory research (CBPR) approach, we conducted six focus groups involving a total of fourteen participants comprising FR, organizational representatives, and FM. All focus groups were audio recorded, transcribed, and analyzed using reflexive thematic analysis. FINDINGS: FR and FM shared their experiences of both joining and learning to live as members of the FR community in Ireland. Through our analysis, we identified a main theme of 'crossing thresholds', characterizing their transformative learning experiences. This learning experience includes recognizing the consequences of this new role for them as individuals and for their relationships. Participants also shared how they have learned to cope with the consequences of their roles and what they need to better support each other. CONCLUSIONS: FM are often unheard, hidden members of the first responder community in Ireland, highlighting an unmet need for FR organizations to acknowledge FM role in supporting FR and to provide them with the appropriate training and resources required. Training for new recruits needs to move beyond the tokenistic involvement of FM and encourage knowl

Published
2024

4. Assessing current handover practices in surgery: A survey of non-consultant hospital doctors in Ireland.

Author

Ryan, JM, Simiceva, A, Toale, C, Eppich, W, Kavanagh, DO, McNamara, DA, Ryan, JM, Simiceva, A, Toale, C, Eppich, W, Kavanagh, DO, and McNamara, DA

Abstract

BACKGROUND: Handovers of care are potentially hazardous moments in the patient journey and can lead to harm if conducted poorly. Through a national survey of surgical doctors in Ireland, this paper assesses contemporary surgical handover practices and evaluates barriers and facilitators of effective handover. METHODS: After ethical approval and pre-testing with a representative sample, a cross-sectional, online survey was distributed to non-consultant hospital doctors (NCHDs) working in the Republic of Ireland. A mixed-methods approach was used, combining data using triangulation design. MAIN FINDINGS: A total of 201 responses were received (18.5%). Most participants were senior house officers or senior registrars (49.7% and 37.3%). Most people (85.1%) reported that information received during handover was missing or incorrect at least some of the time. One-third of respondents reported that a near-miss had occurred as a result of handover within the past three months, and handover-related errors resulted in minor (16.9%), moderate (4.9%), or major (1.5%) harm. Only 11.4% had received any formal training. Reported barriers to handover included negative attitudes, a lack of institutional support, and competing clinical activities. Facilitators included process standardisation, improved access to resources, and staff engagement. CONCLUSIONS: Surgical NCHDs working in Irish hospitals reported poor compliance with international best practice for handover and identified potential harms. Process standardisation, appropriate staff training, and the provision of necessary handover-related resources is required at a national level to address this significant patient safety concern.

Published
2024

11. Use of virtual visits for the care of the arrhythmia patient

Author

Khaldoun G. Tarakji, Peter A. Rasmussen, Bryan Baranowski, Bruce L. Wilkoff, Daniel J. Cantillon, Mohamed Kanj, Henry Hilow, Thomas Callahan, Walid Saliba, Divyang Patel, Mandeep Bhargava, Oussama M. Wazni, Thomas Dresing, Megan Eppich, Patrick J. Tchou, Ayman A. Hussein, and Peter T Hu

Subjects
Male, medicine.medical_specialty, Telemedicine, Office visits, Telehealth, 030204 cardiovascular system & hematology, 03 medical and health sciences, 0302 clinical medicine, Physiology (medical), Outpatients, Health care, medicine, Humans, Prospective Studies, 030212 general & internal medicine, Prospective survey, Aged, business.industry, Arrhythmias, Cardiac, Digital health, Patient Satisfaction, Monitoring data, Physical therapy, Female, Level of care, Cardiology and Cardiovascular Medicine, business, Follow-Up Studies
Abstract

Background Virtual visits (VVs) are a modality for delivering health care services remotely through videoconferencing tools. Data about patient and physician experience in using VVs are limited. Objective The purpose of this study was to assess patient and physician experience with the use of VVs in cardiac electrophysiology. Methods We performed a prospective survey of cardiac electrophysiology patients and physicians who participated in an outpatient VV from December 2018 to July 2019. Results One-hundred consecutive VVs were included. Sixty-four patients elected to complete a survey. Patients rated their experience as either excellent/very good in scheduling a VV (87%), seeing their physician of choice (100%), transmitting arrhythmia data (88%), rating their physician's ability to communicate (98%), asking all questions (98%), rating the level of care received (98%), paying for the cost of a VV (67%), and rating their overall level of satisfaction (98%). Thirty-eight of 64 patients (59.4%) preferred a VV for their next visit, 12 of 64 (18.8%) preferred an in-office visit, 13 of 64 (20.3%) responded that their decision for a virtual or office visit depended on indication, and 1 of 64 (1.6%) had no preference. A total of 14 cardiac electrophysiologists participated in 100 VVs. Nine visits were not included due to technical difficulty. Physician responses to survey questions were rated as excellent/very good in the ability to communicate (92%), accessing monitoring data (95%), and overall level of satisfaction (98%). Conclusion In our small study population, most patients and physicians prefer VVs. Convenience, cost, and reason for follow-up were important determinants that affected both patient and physician preference.

Published
2020
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15. Use of virtual visits for the care of the arrhythmia patient

Author

Hu, Peter T, primary, Hilow, Henry, additional, Patel, Divyang, additional, Eppich, Megan, additional, Cantillon, Daniel, additional, Tchou, Patrick, additional, Bhargava, Mandeep, additional, Kanj, Mohamed, additional, Baranowski, Bryan, additional, Hussein, Ayman, additional, Callahan, Thomas, additional, Saliba, Walid, additional, Dresing, Thomas, additional, Wilkoff, Bruce L., additional, Rasmussen, Peter A., additional, Wazni, Oussama, additional, and Tarakji, Khaldoun G., additional

Published
2020
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16. The Promoting Excellence and Reflective Learning in Simulation (PEARLS) Approach to Health Care Debriefing: A Faculty Development Guide

Author

Helen Catena, John Kim, Vincent Grant, Adam Cheng, Walter J. Eppich, Mark D. Adler, Kevin Lachapelle, and Traci Robinson

Subjects
Medical education, Nursing (miscellaneous), Knowledge management, 030504 nursing, Peer feedback, business.industry, Reflective practice, media_common.quotation_subject, Debriefing, 030208 emergency & critical care medicine, Education, 03 medical and health sciences, 0302 clinical medicine, Excellence, Modeling and Simulation, Health care, Medicine, Faculty development, 0305 other medical science, business, Merge (version control), media_common
Abstract

The Promoting Excellence and Reflective Learning in Simulation (PEARLS) blended approach to debriefing encourages educators to purposefully merge various debriefing strategies to tailor discussion to learner needs and learning context. While debriefing is a key component to simulation-based education, few resources exist to promote implementation of specific debriefing approaches. In response to growing demands from simulation programs and facilitators wishing to teach the PEARLS approach to debriefing, we offer a collection of resources to serve as a faculty development guide for implementation of PEARLS. In this article, we discuss common pitfalls and associated solutions when using PEARLS to facilitate debriefings and offer a PEARLS debriefing checklist that can serve as a tool for providing peer feedback on debriefing performance.

Published
2016
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17. 'Let's Talk About It': Translating Lessons From Health Care Simulation to Clinical Event Debriefings and Coaching Conversations

Author

Paul C. Mullan, Marisa Brett-Fleegler, Walter J. Eppich, and Adam Cheng

Subjects
business.industry, Clinical events, Major trauma, Debriefing, education, 030208 emergency & critical care medicine, medicine.disease, Coaching, Experiential learning, Dreyfus model of skill acquisition, 03 medical and health sciences, 0302 clinical medicine, Nursing, Pediatrics, Perinatology and Child Health, Health care, Emergency Medicine, medicine, 030212 general & internal medicine, Clinical education, business
Abstract

Despite proven benefits for team and individual performance, a number of perceived barriers limit clinical post–event debriefings, which impacts health care team functioning and patient care. An overemphasis on debriefing after rare events such as cardiac arrest and major trauma resuscitations necessarily means that debriefings will also occur infrequently as well. Similarly, individual coaching conversations that would help promote trainee skill acquisition are lacking. This situation stands in stark contrast to other experiential learning domains such as health care simulation, which view structured feedback, coaching, and debriefing as integral to its educational practices. Better translation of relevant lessons from health care simulation to clinical settings could enhance workplace learning and drive continuous performance improvements, benefitting both clinicians and patients. This article aims to: ( a ) broaden the scope of "debriefing" in clinical settings; ( b ) translate valuable principles and strategies from health care simulation, clinical education, and psychology literatures to clinical post–event debriefings and coaching conversations in pediatric emergency departments; and (c) offer guidance and practical strategies to help busy clinicians implement both clinical event debriefings and coaching conversations in pediatric emergency departments.

Published
2016
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19. How Cultural-Historical Activity Theory can Inform Interprofessional Team Debriefings

Author

Adam Cheng and Walter J. Eppich

Subjects
Nursing (miscellaneous), Knowledge management, business.industry, Event (computing), Debriefing, Context (language use), Activity theory, Cognitive reframing, Unit of analysis, Education, Conceptual framework, Modeling and Simulation, Interprofessional teamwork, business, Psychology
Abstract

Cultural–historical activity theory (CHAT) foregrounds context in work activities and provides simulation educators a valuable lens to view simulations and debriefings. CHAT offers a complementary conceptual framework when used in conjunction with established debriefing strategies. CHAT focuses attention on work activities as goal-directed social encounters and makes the activity system the basic unit of analysis. Activity systems include the individual(s) involved, their objective(s), and the tools/mediating artifacts used to achieve those objectives within contexts that contain rules, communities, and clear divisions of labor. CHAT may help simulation educators in a number of ways: (a) to reframe how they observe and interpret complex social interactions within team simulations, (b) to help identify and prioritize topics for debriefing, (c) to explore contextual factors promoting or impeding safe and effective patient care, and (d) to facilitate discussion beyond lessons from the concrete simulation event to generalize learning to future clinical practice.

Published
2015
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20. 'Speaking Up' for Patient Safety in the Pediatric Emergency Department

Author

Walter J. Eppich

Subjects
Pediatric emergency, Service (business), business.industry, Psychological safety, Emergency department, Culture change, Patient safety, Nursing, Pediatrics, Perinatology and Child Health, Health care, Emergency Medicine, Medicine, Active listening, business
Abstract

Communication breakdowns in high-risk areas such as emergency medicine and pediatrics impede care and threaten patient safety. A pervasive problem is the failure of clinicians to speak up with ideas, questions, or concerns. Honest lapses in communication occur with the distractions and interruptions of the emergency department despite the best intentions; in contrast, failures to speak up represent conscious choices to remain silent over giving voice to concerns. The complex socialization process in health care, authority gradients, and past experiences with disruptive and rude behavior influence clinicians from all professions when they weigh the risks and benefits of speaking up. Culture change at the organizational level and within clinical units will enhance the psychological safety that enables speaking up and promotes listening. Direct supervisors who engage in specific leadership behaviors foster a supportive workplace climate. Targeted communication strategies can help clinicians find their voice in the service of patient safety.

Published
2015
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21. Confederates in Health Care Simulations: Not as Simple as It Seems

Author

Debra Nestel, Elizabeth A. Hunt, Walter J. Eppich, and Bonnie Mobley

Subjects
Engineering, Nursing (miscellaneous), Scope of practice, Inclusion (disability rights), business.industry, Modeling and Simulation, Health care, Scenario design, business, Social psychology, Simulated patient, Education, Simple (philosophy)
Abstract

Confederates often enrich immersive health care simulations. In this commentary, we raise issues for consideration when working with confederates. We define the term "confederate," describe their purpose, scope of practice, commonly encountered challenges for participants and confederates, and make recommendations for practice. We posit that Simulated (Standardized) Patient methodology offers valuable insights to working with confederates. A systematic approach to training for role portrayal drawn from Simulated (Standardized) Patient methodology is likely to improve confederate portrayal. Although the inclusion of confederates in simulations might seem simple enough, there are many considerations to ensure educational or research goals are achieved and confederates unharmed.

Published
2014
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22. Simulation Use for Global Away Rotations (SUGAR): Preparing Residents for Emotional Challenges Abroad—A Multicenter Study

Author

Sabrina M, Butteris, Sophia P, Gladding, Walter, Eppich, Scott A, Hagen, Michael B, Pitt, and Stephen D, Warrick

Subjects
Attitude of Health Personnel, Emotions, education, Global Health, Pediatrics, Nursing, Physicians, Adaptation, Psychological, Global health, Humans, Medicine, Curriculum, Travel, Descriptive statistics, business.industry, Debriefing, Internship and Residency, Patient Simulation, Multicenter study, Education, Medical, Graduate, Facilitator, Scale (social sciences), Pediatrics, Perinatology and Child Health, Thematic analysis, business
Abstract

Background Preparation for residents participating in global health (GH) experiences is critical. Active preparatory curricula allowing residents to experience and debrief emotional challenges they may encounter abroad are generally lacking. We sought to evaluate a novel simulation curriculum designed to prepare residents for emotions they may experience in response to challenges abroad. Methods Pediatric GH educators from 7 institutions developed case vignettes incorporating common challenges residents experience abroad. Residents participating in a GH training track or planning to participate in a GH rotation from the 7 institutions were eligible to participate in the simulation curriculum. Participants and trained facilitators completed postsimulation evaluations that were analyzed using descriptive statistics and thematic analysis of written comments to assess the utility of the curriculum, emotions evoked, and changes residents anticipated making to their GH rotation preparation. Results Fifty-one residents and 16 facilitators completed 160 and 52 evaluations, respectively. Overall, respondents found the simulations useful (mean [SD] resident score 4.49 [0.82] and facilitator score 4.85 [0.36] on a 5-point scale [1 = completely useless, 5 = very useful]). Residents reported strong emotions in 153 (98%) of 156 comments. After the sessions, 131 (96%) of 137 comments reflected anticipated changes to GH rotation preparation plans. Conclusions Active preparation for GH rotations using simulated cases appears to be a useful tool that can be implemented across a variety of sites with minimal facilitator training or simulation experience. The curriculum successfully elicited powerful emotions in residents and provided an opportunity to debrief these experiences before encountering them abroad.

Published
2014
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23. Nuclear forensic analysis of an unknown uranium ore concentrate sample seized in a criminal investigation in Australia

Author

E. Loi, Joel Davis, Henri Wong, Michael J. Kristo, Sarah Roberts, Amy M. Gaffney, Jonathan Plaue, Mark I. Reinhard, Martin Robel, Lars E. Borg, Rachel E. Lindvall, Ian D. Hutcheon, Ross W. Williams, Elizabeth Keegan, Michael Colella, and G. R. Eppich

Subjects
Forensic science, Uranium ore, Provenance, Rare-earth element, Nuclear forensics, Sample (material), Ore concentrate, Mineralogy, Environmental science, Natural abundance, Law, Pathology and Forensic Medicine
Abstract

Early in 2009, a state policing agency raided a clandestine drug laboratory in a suburb of a major city in Australia. During the search of the laboratory, a small glass jar labelled "Gamma Source" and containing a green powder was discovered. The powder was radioactive. This paper documents the detailed nuclear forensic analysis undertaken to characterise and identify the material and determine its provenance. Isotopic and impurity content, phase composition, microstructure and other characteristics were measured on the seized sample, and the results were compared with similar material obtained from the suspected source (ore and ore concentrate material). While an extensive range of parameters were measured, the key 'nuclear forensic signatures' used to identify the material were the U isotopic composition, Pb and Sr isotope ratios, and the rare earth element pattern. These measurements, in combination with statistical analysis of the elemental and isotopic content of the material against a database of uranium ore concentrates sourced from mines located worldwide, led to the conclusion that the seized material (a uranium ore concentrate of natural isotopic abundance) most likely originated from Mary Kathleen, a former Australian uranium mine.

Published
2014
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24. Development and validation of a multiple choice examination assessing cognitive and behavioural knowledge of pediatric resuscitation: A report from the EXPRESS pediatric research collaborative

Author

Marisa Brett-Fleegler, Susanne Kost, Liana Kappus, Steve B. Min, Kimberly Stone, Joseph O. Lopreiato, Matthew S. Braga, Mike Carbonaro, Robert Simon, Vinay M. Nadkarni, Akira Nishisaki, Jeffrey Hopkins, Aaron Donoghue, Matthew Richard, Jennifer Reid, Marino Festa, Jenny W. Rudolph, Louise M. Bahry, Melinda Fiedor Hamilton, Kathleen M. Ventre, Laura Corbin, Mark D. Adler, Jonathan P. Duff, Steven M. Schexnayder, Frank Overly, Kristine Boyle, Laura Gosbee, John R. Boulet, Louis P. Halamek, Elizabeth A. Hunt, Mike Moyer, JoDee M. Anderson, Judy L. LeFlore, Jennifer Manos, John Podraza, Kristen Nelson-McMillan, Monica E. Kleinman, Glenn Stryjewski, Adam Cheng, Stephanie N. Sudikoff, Douglas T. Leonard, John Gosbee, Walter J. Eppich, and Takanari Ikeyama

Subjects
Resuscitation, education, Pediatric advanced life support, Child Behavior, Emergency Nursing, Pediatrics, Cognition, Nursing, Health care, Humans, Medicine, Computer Simulation, Prospective Studies, Cognitive skill, Child, Multiple choice, Medical education, business.industry, Debriefing, Internship and Residency, Reproducibility of Results, Construct validity, Exploratory factor analysis, Life Support Care, Emergency Medicine, Clinical Competence, Educational Measurement, Cardiology and Cardiovascular Medicine, business, Follow-Up Studies
Abstract

Introduction Assessing the knowledge of Pediatric Advanced Life Support (PALS) based learning objectives of medical trainees is an important evaluation component for both residency programs and for research studies. In this study, a multiple-choice question (MCQ) examination was developed and validated for use in a larger pediatric simulation resuscitation study (EXPRESS study). Methods Experts in pediatric resuscitation developed two MCQ exams using a set of pre-determined learning objectives. After a single center pilot, the exam was used as an assessment of cognitive skills in the EXPRESS study, a multicenter trial examining the use of scripted debriefing and high-fidelity simulation in pediatric resuscitation education. Results from the MCQ in the pre-intervention phase of the EXPRESS study were used to assess the reliability and validity of the MCQ examination. In addition, an Exploratory Factor Analysis (EFA) was carried to assess the underlying structure of the PALS-based learning objectives. Results 435 health care professionals completed the MCQ examination with an average score of 69.3%. Significantly higher examination results were seen in physicians vs. non-physicians, senior vs. junior physicians and participants with up-to-date PALS certification. The EFA results indicated four distinct categories of items were assessed. Conclusion This short MCQ examination demonstrated reasonable reliability and construct validity. It may be useful to assess pediatric resuscitation knowledge in future studies or courses.

Published
2013
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25. Constraints on crystal storage timescales in mixed magmas: Uranium-series disequilibria in plagioclase from Holocene magmas at Mount Hood, Oregon

Author

Adam J.R. Kent, G. R. Eppich, A. M. Koleszar, and Kari M. Cooper

Subjects
geography, geography.geographical_feature_category, Mush zone, Trace element, Geochemistry, Silicic, engineering.material, Geophysics, Volcano, Space and Planetary Science, Geochemistry and Petrology, Magma, Earth and Planetary Sciences (miscellaneous), engineering, Plagioclase, Igneous differentiation, Mafic, Geology
Abstract

Uranium-series crystal ages, interpreted within a textural and geochemical framework, can provide insight into crystal storage timescales, especially in cases where crystals may derive from multiple sources. We report here 230 Th– 226 Ra model ages of two distinct populations of plagioclase from low silica dacites from Mount Hood, Oregon, a volcano where previous studies show that the compositions of erupted magmas are controlled by magma recharge, mixing, and incorporation of plagioclase derived from mafic and silicic end-member magmas. We have measured trace element concentrations and 238 U– 230 Th– 226 Ra disequilibria in four plagioclase size fractions from the Timberline (1500 a) and Old Maid (215 a) eruptive sequences. After correction for groundmass and apatite contamination, average 230 Th– 226 Ra model ages of large (> 500 μm) plagioclase are > 4.5 ka (Timberline) and > 5.5 ka (Old Maid), with ages of cores that are > 10 ka in each case, indicating that plagioclase derived from silicic magmas crystallized thousands of years before eruptions. These model ages are longer than timescales of repose between eruptions, indicating that these crystals resided in the sub-surface over multiple eruptions, likely stored in a silicic crystal mush zone that periodically interacts with mafic recharge magmas, remobilizing a fraction of the large plagioclase crystals during each eruptive event. After correction for large plagioclase contamination, small ( 226 Ra)/Ba relative to equilibrium with liquid proxies (groundmass and mafic inclusion), leading to 230 Th– 226 Ra model ages that are 230 Th– 226 Ra disequilibria require that the majority of crystals in the separate are young ( 226 Ra)/[Ba] could potentially be explained by rapid crystallization immediately prior to and/or during mixing events, consistent with evidence of rapid crystallization of rims. Rapid crystallization of mafic intrusions may trigger eruption at Mount Hood by producing a partially-crystalline mafic magma capable of mixing with a reheated silicic crystal mush.

Published
2012
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26. Resuscitation Education: Narrowing the Gap Between Evidence-Based Resuscitation Guidelines and Performance Using Best Educational Practices

Author

Elizabeth A. Hunt, Melinda Fiedor-Hamilton, and Walter J. Eppich

Subjects
Resuscitation, medicine.medical_specialty, Evidence-Based Medicine, Evidence-based practice, business.industry, medicine.medical_treatment, Best practice, Resuscitation training, medicine.disease, Advanced life support, Practice Guidelines as Topic, Pediatrics, Perinatology and Child Health, Health care, medicine, Humans, Education, Medical, Continuing, Clinical Competence, Cardiopulmonary resuscitation, Medical emergency, Missed opportunity, business, Intensive care medicine
Abstract

Recent data from in- and out-of-hospital cardiopulmonary arrests reveal that health care teams frequently deviate from American Heart Association guidelines during resuscitation efforts. These discrepancies between the current state of evidence-based resuscitation guidelines and the quality of basic and advanced life support actually delivered represent a missed opportunity and provide a significant target for optimizing patient outcomes through improved educational effectiveness. This article presents discussion of the quality of resuscitation delivered to patients, a brief history of the development of cardiopulmonary resuscitation and attempts to translate the science of resuscitation to the bedside through effective educational strategies, a review of educational best practices that relate to resuscitation education, and discussion of the role of medical simulation in resuscitation training.

Published
2008
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27. Influences on the beam propagation ratio M2

Author

B.J. Neubert and B. Eppich

Subjects
Diffraction, Physics, Beam diameter, business.industry, Astrophysics::Instrumentation and Methods for Astrophysics, Beam parameter product, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Optics, Physics::Accelerator Physics, M squared, Laser beam quality, Electrical and Electronic Engineering, Physical and Theoretical Chemistry, business, Beam (structure), Beam divergence, Gaussian beam
Abstract

A beam is described by its transverse power density distribution, its wavefront, and its transverse distribution of coherence. The beam propagation ratio, M2, is expressed as the square root of the sum of each of the three beam attributes. The shape of the power density distribution governs the diffraction of the beam. The stronger it is modulated, the higher the M2. In comparison to an non-aberrated beam, the M2 of a beam with an aberrated wavefront is increased. Similarly, the M2 of a partially coherent beam is higher than the one of a fully coherent one. A concise formula is derived. The components of M2 of a mixture of Hermite–Gaussian beams and of a spherically aberrated Gaussian beam are given as examples.

Published
2005
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28. The BaBar Silicon Vertex Tracker

Author

Bozzi, C, Carassiti, V, Ramusino, A, Dittongo, S, Folegani, M, Piemontese, L, Abbott, B, Breon, A, Clark, A, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, L, Kipnis, I, Kluth, S, Lynch, G, Levi, M, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, N, Zizka, G, Roberts, D, Schieck, J, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, P, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Dutra, F, Forti, F, Gagliardi, D, Giorgi, M, Lusiani, A, Mammini, P, Morganti, M, Morsani, F, Paoloni, E, Profeti, A, Rama, M, Rampino, G, Rizzo, G, Sandrelli, F, Simi, G, Triggiani, G, Tritto, S, Vitale, R, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bona, M, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, E, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Verkerke, W, Witherell, M, Beringer, J, Eisner, A, Frey, A, Grillo, A, Grothe, M, Johnson, R, Kroeger, W, Lockman, W, Pulliam, T, Rowe, W, Schmitz, R, Seiden, A, Spencer, E, Turri, M, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Walsh, J, Zobernig, H, Bozzi C, Carassiti V, Ramusino AC, Dittongo S, Folegani M, Piemontese L, Abbott BK, Breon AB, Clark AR, Dow S, Fan Q, Goozen F, Hernikl C, Karcher A, Kerth LT, Kipnis I, Kluth S, Lynch G, Levi M, Luft P, Luo L, Nyman M, Pedrali Noy M, Roe NA, Zizka G, Roberts D, Schieck J, Barni D, Brenna E, Defendi I, Forti A, Giugni D, Lanni F, Palombo F, Vaniev V, Leona A, Mandelli E, Manfredi PF, Perazzo A, Re V, Angelini C, Batignani G, Bettarini S, Bondioli M, Bosi F, Calderini G, CARPINELLI, Massimo, Dutra F, Forti F, Gagliardi D, Giorgi MA, Lusiani A, Mammini P, Morganti M, Morsani F, Paoloni E, Profeti A, Rama M, Rampino G, Rizzo G, Sandrelli F, Simi G, Triggiani G, Tritto S, Vitale R, Burchat P, Cheng C, Kirkby D, Meyer T, Roat C, Bona M, Bianchi F, Daudo F, Di Girolamo B, Gamba D, Giraudo G, Grosso P, Romero A, Smol A, Trapani P, Zanin D, Bosisio L, Della Ricca G, Lanceri L, Pompili A, Poropat P, Prest M, Rastelli C, Vallazza E, Vuagnin G, Hast C, Potter EP, Sharma V, Burke S, Callahan D, Campagnari C, Dahmes B, Eppich A, Hale D, Hall K, Hart P, Kuznetsova N, Kyre S, Levy S, Long O, May J, Richman J, Verkerke W, Witherell M, Beringer J, Eisner AM, Frey A, Grillo A, Grothe M, Johnson R, Kroeger W, Lockman W, Pulliam T, Rowe W, Schmitz R, Seiden A, Spencer E, Turri M, Wilder M, Charles E, Elmer P, Nielsen J, Orejudos W, Scott I, Walsh J, Zobernig H., Bozzi, C, Carassiti, V, Ramusino, A, Dittongo, S, Folegani, M, Piemontese, L, Abbott, B, Breon, A, Clark, A, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, L, Kipnis, I, Kluth, S, Lynch, G, Levi, M, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, N, Zizka, G, Roberts, D, Schieck, J, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, P, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Dutra, F, Forti, F, Gagliardi, D, Giorgi, M, Lusiani, A, Mammini, P, Morganti, M, Morsani, F, Paoloni, E, Profeti, A, Rama, M, Rampino, G, Rizzo, G, Sandrelli, F, Simi, G, Triggiani, G, Tritto, S, Vitale, R, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bona, M, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, E, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Verkerke, W, Witherell, M, Beringer, J, Eisner, A, Frey, A, Grillo, A, Grothe, M, Johnson, R, Kroeger, W, Lockman, W, Pulliam, T, Rowe, W, Schmitz, R, Seiden, A, Spencer, E, Turri, M, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Walsh, J, Zobernig, H, Bozzi C, Carassiti V, Ramusino AC, Dittongo S, Folegani M, Piemontese L, Abbott BK, Breon AB, Clark AR, Dow S, Fan Q, Goozen F, Hernikl C, Karcher A, Kerth LT, Kipnis I, Kluth S, Lynch G, Levi M, Luft P, Luo L, Nyman M, Pedrali Noy M, Roe NA, Zizka G, Roberts D, Schieck J, Barni D, Brenna E, Defendi I, Forti A, Giugni D, Lanni F, Palombo F, Vaniev V, Leona A, Mandelli E, Manfredi PF, Perazzo A, Re V, Angelini C, Batignani G, Bettarini S, Bondioli M, Bosi F, Calderini G, CARPINELLI, Massimo, Dutra F, Forti F, Gagliardi D, Giorgi MA, Lusiani A, Mammini P, Morganti M, Morsani F, Paoloni E, Profeti A, Rama M, Rampino G, Rizzo G, Sandrelli F, Simi G, Triggiani G, Tritto S, Vitale R, Burchat P, Cheng C, Kirkby D, Meyer T, Roat C, Bona M, Bianchi F, Daudo F, Di Girolamo B, Gamba D, Giraudo G, Grosso P, Romero A, Smol A, Trapani P, Zanin D, Bosisio L, Della Ricca G, Lanceri L, Pompili A, Poropat P, Prest M, Rastelli C, Vallazza E, Vuagnin G, Hast C, Potter EP, Sharma V, Burke S, Callahan D, Campagnari C, Dahmes B, Eppich A, Hale D, Hall K, Hart P, Kuznetsova N, Kyre S, Levy S, Long O, May J, Richman J, Verkerke W, Witherell M, Beringer J, Eisner AM, Frey A, Grillo A, Grothe M, Johnson R, Kroeger W, Lockman W, Pulliam T, Rowe W, Schmitz R, Seiden A, Spencer E, Turri M, Wilder M, Charles E, Elmer P, Nielsen J, Orejudos W, Scott I, Walsh J, and Zobernig H.

Abstract

The BaBar Silicon Vertex Tracker (SVT) is a five layer device, made from double-sided silicon strip detectors and read out via a custom time-over-threshold circuit, the AToM chip. The SVT is an essential part of the physics program of BaBar, and is able to reconstruct B meson decay vertices with a precision sufficient to measure time-dependent CP violating asymmetries at the PEP-II asymmetric e+e- collider. This report will give an overview of the SVT, with particular focus on the performance of the SVT, which has been taking colliding beam data since May 1999.

Published
2001

31. The BaBar silicon vertex tracker

Author

Bozzi, C, Carassiti, V, Ramusino, A, Dittongo, S, Folegani, M, Piemontese, L, Abbott, B, Breon, A, Clark, A, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, L, Kipnis, I, Kluth, S, Lynch, G, Levi, M, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, N, Zizka, G, Roberts, D, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, P, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Dutra, F, Forti, F, Gagliardi, D, Giorgi, M, Lusiani, A, Mammini, P, Morganti, M, Morsani, F, Paoloni, E, Profeti, A, Rama, M, Rampino, G, Rizzo, G, Sandrelli, F, Simi, G, Triggiani, G, Tritto, S, Vitale, R, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bona, M, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, E, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Verkerke, W, Witherell, M, Beringer, J, Eisner, A, Frey, A, Grillo, A, Grothe, M, Johnson, R, Spencer, E, Turri, M, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Walsh, J, Zobernig, H, Bozzi C, Carassiti V, Ramusino AC, Dittongo S, Folegani M, Piemontese L, Abbott BK, Breon AB, Clark AR, Dow S, Fan Q, Goozen F, Hernikl C, Karcher A, Kerth LT, Kipnis I, Kluth S, Lynch G, Levi M, Luft P, Luo L, Nyman M, Pedrali Noy M, Roe NA, Zizka G, Roberts D, Barni D, Brenna E, Defendi I, Forti A, Giugni D, Lanni F, Palombo F, Vaniev V, Leona A, Mandelli E, Manfredi PF, Perazzo A, Re V, Angelini C, Batignani G, Bettarini S, Bondioli M, Bosi F, Calderini G, CARPINELLI, Massimo, Dutra F, Forti F, Gagliardi D, Giorgi MA, Lusiani A, Mammini P, Morganti M, Morsani F, Paoloni E, Profeti A, Rama M, Rampino G, Rizzo G, Sandrelli F, Simi G, Triggiani G, Tritto S, Vitale R, Burchat P, Cheng C, Kirkby D, Meyer T, Roat C, Bona M, Bianchi F, Daudo F, Di Girolamo B, Gamba D, Giraudo G, Grosso P, Romero A, Smol A, Trapani P, Zanin D, Bosisio L, Della Ricca G, Lanceri L, Pompili A, Poropat P, Prest M, Rastelli C, Vallazza E, Vuagnin G, Hast C, Potter EP, Sharma V, Burke S, Callahan D, Campagnari C, Dahmes B, Eppich A, Hale D, Hall K, Hart P, Kuznetsova N, Kyre S, Levy S, Long O, May J, Richman J, Verkerke W, Witherell M, Beringer J, Eisner AM, Frey A, Grillo A, Grothe M, Johnson R, Spencer E, Turri M, Wilder M, Charles E, Elmer P, Nielsen J, Orejudos W, Scott I, Walsh J, Zobernig H., Bozzi, C, Carassiti, V, Ramusino, A, Dittongo, S, Folegani, M, Piemontese, L, Abbott, B, Breon, A, Clark, A, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, L, Kipnis, I, Kluth, S, Lynch, G, Levi, M, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, N, Zizka, G, Roberts, D, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, P, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Dutra, F, Forti, F, Gagliardi, D, Giorgi, M, Lusiani, A, Mammini, P, Morganti, M, Morsani, F, Paoloni, E, Profeti, A, Rama, M, Rampino, G, Rizzo, G, Sandrelli, F, Simi, G, Triggiani, G, Tritto, S, Vitale, R, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bona, M, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, E, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Verkerke, W, Witherell, M, Beringer, J, Eisner, A, Frey, A, Grillo, A, Grothe, M, Johnson, R, Spencer, E, Turri, M, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Walsh, J, Zobernig, H, Bozzi C, Carassiti V, Ramusino AC, Dittongo S, Folegani M, Piemontese L, Abbott BK, Breon AB, Clark AR, Dow S, Fan Q, Goozen F, Hernikl C, Karcher A, Kerth LT, Kipnis I, Kluth S, Lynch G, Levi M, Luft P, Luo L, Nyman M, Pedrali Noy M, Roe NA, Zizka G, Roberts D, Barni D, Brenna E, Defendi I, Forti A, Giugni D, Lanni F, Palombo F, Vaniev V, Leona A, Mandelli E, Manfredi PF, Perazzo A, Re V, Angelini C, Batignani G, Bettarini S, Bondioli M, Bosi F, Calderini G, CARPINELLI, Massimo, Dutra F, Forti F, Gagliardi D, Giorgi MA, Lusiani A, Mammini P, Morganti M, Morsani F, Paoloni E, Profeti A, Rama M, Rampino G, Rizzo G, Sandrelli F, Simi G, Triggiani G, Tritto S, Vitale R, Burchat P, Cheng C, Kirkby D, Meyer T, Roat C, Bona M, Bianchi F, Daudo F, Di Girolamo B, Gamba D, Giraudo G, Grosso P, Romero A, Smol A, Trapani P, Zanin D, Bosisio L, Della Ricca G, Lanceri L, Pompili A, Poropat P, Prest M, Rastelli C, Vallazza E, Vuagnin G, Hast C, Potter EP, Sharma V, Burke S, Callahan D, Campagnari C, Dahmes B, Eppich A, Hale D, Hall K, Hart P, Kuznetsova N, Kyre S, Levy S, Long O, May J, Richman J, Verkerke W, Witherell M, Beringer J, Eisner AM, Frey A, Grillo A, Grothe M, Johnson R, Spencer E, Turri M, Wilder M, Charles E, Elmer P, Nielsen J, Orejudos W, Scott I, Walsh J, and Zobernig H.

Abstract

The BaBar Silicon Vertex Tracker (SVT) is designed to provide the high-precision vertexing necessary for making measurements of CP violation at the SLAC B-Factory PEP-II. The instrument consists of five layers of double-sided silicon strip detectors and has been installed in the BaBar experiment and taking colliding beam data since May 1999. An overview of the design as well as performance and experience from the initial running will be presented.

Published
2000

32. The design and construction of the BaBar silicon vertex tracker

Author

Bozzi, C, Carassiti, V, Ramusino, A, Dittongo, S, Folegani, M, Piemontese, L, Abbott, B, Breon, A, Clark, A, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, L, Kipnis, I, Kluth, S, Lynch, G, Levi, M, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, N, Zizka, G, Roberts, D, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, P, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Dutra, F, Forti, F, Gagliardi, D, Giorgi, M, Lusiani, A, Mammini, P, Morganti, M, Morsani, F, Paoloni, E, Profeti, A, Rama, M, Rampino, G, Rizzo, G, Sandrelli, F, Simi, G, Triggiani, G, Tritto, S, Vitale, R, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bona, M, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, E, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Verkerke, W, Witherell, M, Beringer, J, Eisner, A, Frey, A, Grillo, A, Grothe, M, Johnson, R, Kroeger, W, Lockman, W, Pulliam, T, Rowe, W, Schmitz, R, Seiden, A, Spencer, E, Turri, M, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Walsh, J, Zobernig, H, Bozzi C, Carassiti V, Ramusino AC, Dittongo S, Folegani M, Piemontese L, Abbott BK, Breon AB, Clark AR, Dow S, Fan Q, Goozen F, Hernikl C, Karcher A, Kerth LT, Kipnis I, Kluth S, Lynch G, Levi M, Luft P, Luo L, Nyman M, Pedrali Noy M, Roe NA, Zizka G, Roberts D, Barni D, Brenna E, Defendi I, Forti A, Giugni D, Lanni F, Palombo F, Vaniev V, Leona A, Mandelli E, Manfredi PF, Perazzo A, Re V, Angelini C, Batignani G, Bettarini S, Bondioli M, Bosi F, Calderini G, CARPINELLI, Massimo, Dutra F, Forti F, Gagliardi D, Giorgi MA, Lusiani A, Mammini P, Morganti M, Morsani F, Paoloni E, Profeti A, Rama M, Rampino G, Rizzo G, Sandrelli F, Simi G, Triggiani G, Tritto S, Vitale R, Burchat P, Cheng C, Kirkby D, Meyer T, Roat C, Bona M, Bianchi F, Daudo F, Di Girolamo B, Gamba D, Giraudo G, Grosso P, Romero A, Smol A, Trapani P, Zanin D, Bosisio L, Della Ricca G, Lanceri L, Pompili A, Poropat P, Prest M, Rastelli C, Vallazza E, Vuagnin G, Hast C, Potter EP, Sharma V, Burke S, Callahan D, Campagnari C, Dahmes B, Eppich A, Hale D, Hall K, Hart P, Kuznetsova N, Kyre S, Levy S, Long O, May J, Richman J, Verkerke W, Witherell M, Beringer J, Eisner AM, Frey A, Grillo A, Grothe M, Johnson R, Kroeger W, Lockman W, Pulliam T, Rowe W, Schmitz R, Seiden A, Spencer E, Turri M, Wilder M, Charles E, Elmer P, Nielsen J, Orejudos W, Scott I, Walsh J, Zobernig H., Bozzi, C, Carassiti, V, Ramusino, A, Dittongo, S, Folegani, M, Piemontese, L, Abbott, B, Breon, A, Clark, A, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, L, Kipnis, I, Kluth, S, Lynch, G, Levi, M, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, N, Zizka, G, Roberts, D, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, P, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Dutra, F, Forti, F, Gagliardi, D, Giorgi, M, Lusiani, A, Mammini, P, Morganti, M, Morsani, F, Paoloni, E, Profeti, A, Rama, M, Rampino, G, Rizzo, G, Sandrelli, F, Simi, G, Triggiani, G, Tritto, S, Vitale, R, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bona, M, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, E, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Verkerke, W, Witherell, M, Beringer, J, Eisner, A, Frey, A, Grillo, A, Grothe, M, Johnson, R, Kroeger, W, Lockman, W, Pulliam, T, Rowe, W, Schmitz, R, Seiden, A, Spencer, E, Turri, M, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Walsh, J, Zobernig, H, Bozzi C, Carassiti V, Ramusino AC, Dittongo S, Folegani M, Piemontese L, Abbott BK, Breon AB, Clark AR, Dow S, Fan Q, Goozen F, Hernikl C, Karcher A, Kerth LT, Kipnis I, Kluth S, Lynch G, Levi M, Luft P, Luo L, Nyman M, Pedrali Noy M, Roe NA, Zizka G, Roberts D, Barni D, Brenna E, Defendi I, Forti A, Giugni D, Lanni F, Palombo F, Vaniev V, Leona A, Mandelli E, Manfredi PF, Perazzo A, Re V, Angelini C, Batignani G, Bettarini S, Bondioli M, Bosi F, Calderini G, CARPINELLI, Massimo, Dutra F, Forti F, Gagliardi D, Giorgi MA, Lusiani A, Mammini P, Morganti M, Morsani F, Paoloni E, Profeti A, Rama M, Rampino G, Rizzo G, Sandrelli F, Simi G, Triggiani G, Tritto S, Vitale R, Burchat P, Cheng C, Kirkby D, Meyer T, Roat C, Bona M, Bianchi F, Daudo F, Di Girolamo B, Gamba D, Giraudo G, Grosso P, Romero A, Smol A, Trapani P, Zanin D, Bosisio L, Della Ricca G, Lanceri L, Pompili A, Poropat P, Prest M, Rastelli C, Vallazza E, Vuagnin G, Hast C, Potter EP, Sharma V, Burke S, Callahan D, Campagnari C, Dahmes B, Eppich A, Hale D, Hall K, Hart P, Kuznetsova N, Kyre S, Levy S, Long O, May J, Richman J, Verkerke W, Witherell M, Beringer J, Eisner AM, Frey A, Grillo A, Grothe M, Johnson R, Kroeger W, Lockman W, Pulliam T, Rowe W, Schmitz R, Seiden A, Spencer E, Turri M, Wilder M, Charles E, Elmer P, Nielsen J, Orejudos W, Scott I, Walsh J, and Zobernig H.

Abstract

The Silicon Vertex Tracker (SVT) of the BaBar experiment at the PEP-II asymmetric B factory consists of five layers of double-sided, AC-coupled silicon strip detectors. The detectors are readout with a custom IC, capable of simultaneous acquisition, digitization and transmission of data. The SVT geometry is shown and the construction phases of its modules are described in detail, with emphasis on the bending procedures needed for the arch-modules of the outer layers.

Published
2000

33. Determination of the ten second order intensity moments

Author

Chunyu Gao, B. Eppich, and Horst Weber

Subjects
Physics, Beam diameter, business.industry, Physics::Optics, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Intensity (physics), Transverse mode, Optics, Physics::Accelerator Physics, M squared, Laser beam quality, Cylindrical lens, Electrical and Electronic Engineering, Twist, business, Beam (structure)
Abstract

The general astigmatic beam can be characterized by its ten second order moments in first order approach. Most intensity moments, except the beam twist, can be determined by measuring the intensity in a reasonable number of positions around the waist of the beam. The beam twist is determined by applying a rotated cylindrical lens. The ten intensity moments of two kinds of astigmatic beam were determined: a simple astigmatic TEM 8,0 Hermite–Gaussian beam and a twisted beam generated from the TEM 8,0 mode. The experimental results were compared with the theoretical calculations and demonstrate that the ten second order moments of a beam can be determined in a rather simple way.

Published
1998
Full Text
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34. The BaBar silicon vertex tracker

Author

Bozzi, C, Carassiti, V, Ramusino, A, Dittongo, S, Folegani, M, Piemontese, L, Abbott, B, Breon, A, Clark, A, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, L, Kipnis, I, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, N, Zizka, G, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, P, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Dutra, F, Forti, F, Gagliardi, D, Giorgi, M, Lusiani, A, Mammini, P, Morganti, M, Morsani, F, Profeti, A, Rama, M, Rizzo, G, Simi, G, Triggiani, G, Vitale, R, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, E, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Roberts, D, Witherell, M, Beringer, J, Eisner, A, Frey, A, Grillo, A, Grothe, M, Johnson, R, Kroeger, W, Lockman, W, Rowe, W, Seiden, A, Spencer, E, Turri, M, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Walsh, J, Zobernig, H, Bozzi C, Carassiti V, Ramusino AC, Dittongo S, Folegani M, Piemontese L, Abbott BK, Breon AB, Clark AR, Dow S, Fan Q, Goozen F, Hernikl C, Karcher A, Kerth LT, Kipnis I, Luft P, Luo L, Nyman M, Pedrali Noy M, Roe NA, Zizka G, Barni D, Brenna E, Defendi I, Forti A, Giugni D, Lanni F, Palombo F, Vaniev V, Leona A, Mandelli E, Manfredi P, Perazzo A, Re V, Angelini C, Batignani G, Bettarini S, Bondioli M, Bosi F, Calderini G, CARPINELLI, Massimo, Dutra F, Forti F, Gagliardi D, Giorgi M, Lusiani A, Mammini P, Morganti M, Morsani F, Profeti A, Rama M, Rizzo G, Simi G, Triggiani G, Vitale R, Burchat P, Cheng C, Kirkby D, Meyer T, Roat C, Bianchi F, Daudo F, Di Girolamo B, Gamba D, Giraudo G, Grosso P, Romero A, Smol A, Trapani P, Zanin D, Bosisio L, Della Ricca G, Lanceri L, Pompili A, Poropat P, Prest M, Rastelli C, Vallazza E, Vuagnin G, Hast C, Potter EP, Sharma V, Burke S, Callahan D, Campagnari C, Dahmes B, Eppich A, Hale D, Hall K, Hart P, Kuznetsova N, Kyre S, Levy S, Long O, May J, Richman J, Roberts D, Witherell M, Beringer J, Eisner A, Frey A, Grillo A, Grothe M, Johnson R, Kroeger W, Lockman W, Rowe W, Seiden A, Spencer E, Turri M, Wilder M, Charles E, Elmer P, Nielsen J, Orejudos W, Scott I, Walsh J, Zobernig H., Bozzi, C, Carassiti, V, Ramusino, A, Dittongo, S, Folegani, M, Piemontese, L, Abbott, B, Breon, A, Clark, A, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, L, Kipnis, I, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, N, Zizka, G, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, P, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Dutra, F, Forti, F, Gagliardi, D, Giorgi, M, Lusiani, A, Mammini, P, Morganti, M, Morsani, F, Profeti, A, Rama, M, Rizzo, G, Simi, G, Triggiani, G, Vitale, R, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, E, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Roberts, D, Witherell, M, Beringer, J, Eisner, A, Frey, A, Grillo, A, Grothe, M, Johnson, R, Kroeger, W, Lockman, W, Rowe, W, Seiden, A, Spencer, E, Turri, M, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Walsh, J, Zobernig, H, Bozzi C, Carassiti V, Ramusino AC, Dittongo S, Folegani M, Piemontese L, Abbott BK, Breon AB, Clark AR, Dow S, Fan Q, Goozen F, Hernikl C, Karcher A, Kerth LT, Kipnis I, Luft P, Luo L, Nyman M, Pedrali Noy M, Roe NA, Zizka G, Barni D, Brenna E, Defendi I, Forti A, Giugni D, Lanni F, Palombo F, Vaniev V, Leona A, Mandelli E, Manfredi P, Perazzo A, Re V, Angelini C, Batignani G, Bettarini S, Bondioli M, Bosi F, Calderini G, CARPINELLI, Massimo, Dutra F, Forti F, Gagliardi D, Giorgi M, Lusiani A, Mammini P, Morganti M, Morsani F, Profeti A, Rama M, Rizzo G, Simi G, Triggiani G, Vitale R, Burchat P, Cheng C, Kirkby D, Meyer T, Roat C, Bianchi F, Daudo F, Di Girolamo B, Gamba D, Giraudo G, Grosso P, Romero A, Smol A, Trapani P, Zanin D, Bosisio L, Della Ricca G, Lanceri L, Pompili A, Poropat P, Prest M, Rastelli C, Vallazza E, Vuagnin G, Hast C, Potter EP, Sharma V, Burke S, Callahan D, Campagnari C, Dahmes B, Eppich A, Hale D, Hall K, Hart P, Kuznetsova N, Kyre S, Levy S, Long O, May J, Richman J, Roberts D, Witherell M, Beringer J, Eisner A, Frey A, Grillo A, Grothe M, Johnson R, Kroeger W, Lockman W, Rowe W, Seiden A, Spencer E, Turri M, Wilder M, Charles E, Elmer P, Nielsen J, Orejudos W, Scott I, Walsh J, and Zobernig H.

Abstract

The Silicon Vertex Tracker (SVT) for the BaBar experiment at the PEP-II asymmetric B factory is a 5-layer device based on double-sided, AC-coupled silicon strip detectors. It is read out by a custom IC, the AToM chip, that can simultaneously acquire, digitize and transmit data. The main purpose of the SVT is to accurately measure the decay position of the B mesons that are produced, which is essential for extracting CP asymmetries. Here, we report on the SVT design as well as progress on its fabrication and assembly.

Published
1999

35. Study finds Chapel Hill, NC, soup kitchen serves nutritious meals

Author

Claudia Plaisted Fernandez and Simone Eppich

Subjects
Adult, Male, Gerontology, Food guide, Nutrition Policy, Agricultural science, Time frame, Chapel, North Carolina, Humans, Medicine, computer.programming_language, Minerals, Meal, Nutrition and Dietetics, Food security, business.industry, digestive, oral, and skin physiology, Food Services, Nutritional Requirements, Vitamins, Middle Aged, Food Analysis, Dietary Reference Intake, Reference values, Energy Intake, business, Nutritive Value, computer, Food Science
Abstract

Soup kitchens attempt to improve the food security of low-income individuals, but the results of their efforts are rarely researched. We focused our study on the Inter-Faith Council Soup Kitchen (IFC) near the University of North Carolina-Chapel Hill (UNC) in Chapel Hill, NC. The IFC uses no centralized nutrition planning and relies heavily on volunteer cooks, yet we found their meals to be highly nutrient-dense when averaged over a 1-month time frame and compared with the Dietary Reference Intakes (DRIs) and the Daily Reference Values (DRVs). In fact, the only nutrients needing improvement were vitamin D, folate, and calcium. The number of servings per meal was also substantially more than one third of the US Department of Agriculture Food Guide Pyramid recommendations, except for dairy at all meals, vegetables at breakfast, and fruit at dinner.

Published
2004
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36. First-year experience with the BaBar silicon vertex tracker

Author

C. Hast, M. Bondioli, I. Defendi, M. Wilder, E. Charles, G. Calderini, D. A. Roberts, A. M. Eisner, G. Giraudo, F. Sandrelli, Francesco Lanni, Alessandra Romero, M. Folegani, A. B. Breon, Nicola Neri, K. Hall, F. Palombo, Vivek Sharma, W. Kroeger, J. May, D. Zanin, Filippo Bosi, Owen Rosser Long, E. Brenna, W. Orejudos, A. Seiden, R. P. Johnson, G. Vuagnin, G. Lynch, Corrado Angelini, J. J. Walsh, A. Smol, Brad Abbott, V. Carassiti, M. Pedrali-Noy, J. R. Schieck, M. Turri, Wouter Verkerke, C. Bozzi, S. Bettarini, D. Barni, Alberto Lusiani, Q. Fan, D. Gamba, Alexander Grillo, S. Dittongo, G. Della Ricca, Matteo Rama, Danilo Giugni, E. Paoloni, L. Bosisio, A. Frey, Paola Grosso, P. Poropat, A. R. Clark, R. Vitale, A. Profeti, S. L. Levy, A. Perazzo, Marcella Bona, J. D. Richman, C. Roat, E. Mandelli, N. Kuznetsova, G. Rizzo, C. H. Cheng, P.F. Manfredi, P.P. Trapani, S.F. Dow, E.N. Spencer, M. Nyman, I.J. Scott, Mario Giorgi, S. Tritto, I. Rashevskaia, P.A. Hart, Daniel E. Hale, A. Pompili, Michael S. Witherell, M. Prest, M. E. Levi, Wolfgang Walkowiak, F. Bianchi, Patricia R. Burchat, L. Luo, A. Cotta Ramusino, A. Eppich, L. T. Kerth, P. Mammini, Natalie A. Roe, I. Kipnis, Armin Karcher, T. Pulliam, L. Piemontese, D. Kirkby, L. Lanceri, J. Nielsen, S. Kyre, S. Burke, W.A. Rowe, M. Carpinelli, J. Beringer, M. Morganti, D. Callahan, G. Batignani, G. Zizka, Gabriele Simi, C. Rastelli, B. Dahmes, G. Rampino, Fabio Morsani, P. Luft, Claudio Campagnari, Stefan Kluth, F. Forti, A. Leona, R. E. Schmitz, B. Di Girolamo, Peter Elmer, W. S. Lockman, H. Zobernig, T. I. Meyer, C. Hernikl, F. Daudo, M. Grothe, E.P. Potter, D. Gagliardi, F. Goozen, V. Vaniev, Valerio Re, G. Triggiani, A. C. Forti, E. Vallazza, Bozzia, C, Carassiti, V, Ramusino, A, Dittongo, S, Folegani, M, Piemontese, L, Abbott, B, Breon, A, Clark, A, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, L, Kipnis, I, Kluth, S, Lynch, G, Levi, M, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, N, Zizka, G, Roberts, D, Schieck, J, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, P, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Forti, F, Gagliardi, D, Giorgi, M, Lusiani, A, Mammini, P, Morganti, M, Morsani, F, Neri, N, Paoloni, E, Profeti, A, Rama, M, Rampino, G, Rizzo, G, Sandrelli, F, Simi, G, Triggiani, G, Tritto, S, Vitale, R, Walsh, J, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bona, M, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Rashevskaia, I, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, E, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Verkerke, W, Witherell, M, Beringer, J, Eisner, A, Frey, A, Grillo, A, Grothe, M, Johnson, R, Kroeger, W, Lockman, W, Pulliam, T, Rowe, W, Schmitz, R, Seiden, A, Spencer, E, Turri, M, Walkowiak, W, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Zobernig, H, Bosisio, Luciano, DELLA RICCA, Giuseppe, Lanceri, Livio, and Poropat, Paolo

Subjects
Nuclear and High Energy Physics, Vertex (computer graphics), silicon vertex tracker, BABAR, BaBar experiment, STRIPS, Radiation, PARTICLE PHYSICS, PEP2, Silicon-strip detector, law.invention, TRACKER, irradiation, Optics, law, Silicon Detectors, MICROVERTEX DETECTOR, Instrumentation, Image resolution, Physics, business.industry, Detector, Photodiode, Radiation monitoring, business
Abstract

Within its first year of operation, the BaBar Silicon Vertex Tracker (SVT) has accomplished its primary design goal, measuring the z vertex coordinate with sufficient accuracy as to allow the measurement of the time-dependent CP asymmetry in the neutral B-meson system. The SVT consists of five layers of double-sided, AC-coupled silicon-strip detectors of 300 μm thickness with a readout strip pitch of 50–210 μm and a stereo angle of 90° between the strips on the two sides. Detector alignment and performance with respect to spatial resolution and efficiency in the reconstruction of single hits are discussed. In the day-to-day operation of the SVT, radiation damage and protection issues were of primary concern. The SVT is equipped with a dedicated system (SVTRAD) for radiation monitoring and protection, using reverse-biased photodiodes. The evolution of the SVTRAD thresholds on the tolerated radiation level is described. Results on the first-year radiation exposure as measured with the SVTRAD system and on the so far accumulated damage are presented. The implications of test-irradiation results and possible future PEP-II luminosity upgrades on the radiation limited lifetime of the SVT are discussed.

Published
2001

37. Fabrication and properties of infrared processed SCS-2/Al composites

Author

Ray Y. Lin, Sunil G. Warrier, and C.A. Eppich

Subjects
chemistry.chemical_compound, Fabrication, Materials science, chemistry, Flexural strength, Composite number, General Engineering, Silicon carbide, Oxide, Wetting, Infrared heater, Composite material, Microstructure
Abstract

Fabrication of aluminum matrix composites by liquid infiltration is hindered by poor wetting characteristics and extensive fiber/matrix reaction. In an attempt to produce composites with limited interfacial reaction and without the application of a vacuum or external pressure, a process of fabricating aluminum matrix composites using infrared heating has been developed at the University of Cincinnati. The rapid infrared manufacturing (RIM) process is characterized by extremely fast heating capabilities, typically in the order of 100--200 C/s. Under these heating rates, the oxide layer formed on aluminum prior to melting would be kept relatively thin. As a result of such a thin oxide layer and due to both, dissolution of the oxide layer and lowered viscosity at high temperature, the thin oxide film brakes and causes wetting and flow of liquid aluminum. Although good quality composites were produced by the RIM process, experiences indicated that in order to achieve optimum composite strengths, heat treatments may be necessary. Based on the work by several researchers, it can be inferred that the T6 heat treatment may not significantly increase the strength of the composites. In this study, several heat treatments based on physical metallurgy and fracture mechanics considerations were examined. This paper discussesmore » one of the heat treatments which significantly increased the strength of the composites. Both composite fabrication and composite properties arising out of the heat treatment have been investigated.« less

Published
1994
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42. Nuclear forensic analysis of an unknown uranium ore concentrate sample seized in a criminal investigation in Australia

Author

Keegan, Elizabeth, primary, Kristo, Michael J., additional, Colella, Michael, additional, Robel, Martin, additional, Williams, Ross, additional, Lindvall, Rachel, additional, Eppich, Gary, additional, Roberts, Sarah, additional, Borg, Lars, additional, Gaffney, Amy, additional, Plaue, Jonathan, additional, Wong, Henri, additional, Davis, Joel, additional, Loi, Elaine, additional, Reinhard, Mark, additional, and Hutcheon, Ian, additional

Published
2014
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47. First-year experience with the BaBar silicon vertex tracker

Author

Bozzi, C, primary, Carassiti, V, additional, Cotta Ramusino, A, additional, Dittongo, S, additional, Folegani, M, additional, Piemontese, L, additional, Abbott, B.K, additional, Breon, A.B, additional, Clark, A.R, additional, Dow, S, additional, Fan, Q, additional, Goozen, F, additional, Hernikl, C, additional, Karcher, A, additional, Kerth, L.T, additional, Kipnis, I, additional, Kluth, S, additional, Lynch, G, additional, Levi, M, additional, Luft, P, additional, Luo, L, additional, Nyman, M, additional, Pedrali-Noy, M, additional, Roe, N.A, additional, Zizka, G, additional, Roberts, D, additional, Schieck, J, additional, Barni, D, additional, Brenna, E, additional, Defendi, I, additional, Forti, A, additional, Giugni, D, additional, Lanni, F, additional, Palombo, F, additional, Vaniev, V, additional, Leona, A, additional, Mandelli, E, additional, Manfredi, P.F, additional, Perazzo, A, additional, Re, V, additional, Angelini, C, additional, Batignani, G, additional, Bettarini, S, additional, Bondioli, M, additional, Bosi, F, additional, Calderini, G, additional, Carpinelli, M, additional, Forti, F, additional, Gagliardi, D, additional, Giorgi, M.A, additional, Lusiani, A, additional, Mammini, P, additional, Morganti, M, additional, Morsani, F, additional, Neri, N, additional, Paoloni, E, additional, Profeti, A, additional, Rama, M, additional, Rampino, G, additional, Rizzo, G, additional, Sandrelli, F, additional, Simi, G, additional, Triggiani, G, additional, Tritto, S, additional, Vitale, R, additional, Walsh, J, additional, Burchat, P, additional, Cheng, C, additional, Kirkby, D, additional, Meyer, T, additional, Roat, C, additional, Bona, M, additional, Bianchi, F, additional, Daudo, F, additional, Di Girolamo, B, additional, Gamba, D, additional, Giraudo, G, additional, Grosso, P, additional, Romero, A, additional, Smol, A, additional, Trapani, P, additional, Zanin, D, additional, Bosisio, L, additional, Della Ricca, G, additional, Rashevskaia, I, additional, Lanceri, L, additional, Pompili, A, additional, Poropat, P, additional, Prest, M, additional, Rastelli, C, additional, Vallazza, E, additional, Vuagnin, G, additional, Hast, C, additional, Potter, E.P, additional, Sharma, V, additional, Burke, S, additional, Callahan, D, additional, Campagnari, C, additional, Dahmes, B, additional, Eppich, A, additional, Hale, D, additional, Hall, K, additional, Hart, P, additional, Kuznetsova, N, additional, Kyre, S, additional, Levy, S, additional, Long, O, additional, May, J, additional, Richman, J, additional, Verkerke, W, additional, Witherell, M, additional, Beringer, J, additional, Eisner, A.M, additional, Frey, A, additional, Grillo, A, additional, Grothe, M, additional, Johnson, R, additional, Kroeger, W, additional, Lockman, W, additional, Pulliam, T, additional, Rowe, W, additional, Schmitz, R, additional, Seiden, A, additional, Spencer, E, additional, Turri, M, additional, Walkowiak, W, additional, Wilder, M, additional, Charles, E, additional, Elmer, P, additional, Nielsen, J, additional, Orejudos, W, additional, Scott, I, additional, and Zobernig, H, additional

Published
2001
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48. The BaBar Silicon Vertex Tracker

Author

Bozzi, C., primary, Carassiti, V., additional, Ramusino, A.Cotta, additional, Dittongo, S., additional, Folegani, M., additional, Piemontese, L., additional, Abbott, B.K., additional, Breon, A.B., additional, Clark, A.R., additional, Dow, S., additional, Fan, Q., additional, Goozen, F., additional, Hernikl, C., additional, Karcher, A., additional, Kerth, L.T., additional, Kipnis, I., additional, Kluth, S., additional, Lynch, G., additional, Levi, M., additional, Luft, P., additional, Luo, L., additional, Nyman, M., additional, Pedrali-Noy, M., additional, Roe, N.A., additional, Zizka, G., additional, Roberts, D., additional, Schieck, J., additional, Barni, D., additional, Brenna, E., additional, Defendi, I., additional, Forti, A., additional, Giugni, D., additional, Lanni, F., additional, Palombo, F., additional, Vaniev, V., additional, Leona, A., additional, Mandelli, E., additional, Manfredi, P.F., additional, Perazzo, A., additional, Re, V., additional, Angelini, C., additional, Batignani, G., additional, Bettarini, S., additional, Bondioli, M., additional, Bosi, F., additional, Calderini, G., additional, Carpinelli, M., additional, Dutra, F., additional, Forti, F., additional, Gagliardi, D., additional, Giorgi, M.A., additional, Lusiani, A., additional, Mammini, P., additional, Morganti, M., additional, Morsani, F., additional, Paoloni, E., additional, Profeti, A., additional, Rama, M., additional, Rampino, G., additional, Rizzo, G., additional, Sandrelli, F., additional, Simi, G., additional, Triggiani, G., additional, Tritto, S., additional, Vitale, R., additional, Burchat, P., additional, Cheng, C., additional, Kirkby, D., additional, Meyer, T., additional, Roat, C., additional, Bona, M., additional, Bianchi, F., additional, Daudo, F., additional, Girolamo, B.Di, additional, Gamba, D., additional, Giraudo, G., additional, Grosso, P., additional, Romero, A., additional, Smol, A., additional, Trapani, P., additional, Zanin, D., additional, Bosisio, L., additional, Ricca, G.Della, additional, Lanceri, L., additional, Pompili, A., additional, Poropat, P., additional, Prest, M., additional, Rastelli, C., additional, Vallazza, E., additional, Vuagnin, G., additional, Hast, C., additional, Potter, E.P., additional, Sharma, V., additional, Burke, S., additional, Callahan, D., additional, Campagnari, C., additional, Dahmes, B., additional, Eppich, A., additional, Hale, D., additional, Hall, K., additional, Hart, P., additional, Kuznetsova, N., additional, Kyre, S., additional, Levy, S., additional, Long, O., additional, May, J., additional, Richman, J., additional, Verkerke, W., additional, Witherell, M., additional, Beringer, J., additional, Eisner, A.M., additional, Frey, A., additional, Grillo, A., additional, Grothe, M., additional, Johnson, R., additional, Kroeger, W., additional, Lockman, W., additional, Pulliam, T., additional, Rowe, W., additional, Schmitz, R., additional, Seiden, A., additional, Spencer, E., additional, Turri, M., additional, Wilder, M., additional, Charles, E., additional, Elmer, P., additional, Nielsen, J., additional, Orejudos, W., additional, Scott, I., additional, Walsh, J., additional, and Zobernig, H., additional

Published
2001
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49. The BaBar silicon vertex tracker

Author

Bozzi, C, primary, Carassiti, V, additional, Ramusino, A.Cotta, additional, Dittongo, S, additional, Folegani, M, additional, Piemontese, L, additional, Abbott, B.K, additional, Breon, A.B, additional, Clark, A.R, additional, Dow, S, additional, Fan, Q, additional, Goozen, F, additional, Hernikl, C, additional, Karcher, A, additional, Kerth, L.T, additional, Kipnis, I, additional, Kluth, S, additional, Lynch, G, additional, Levi, M, additional, Luft, P, additional, Luo, L, additional, Nyman, M, additional, Pedrali-Noy, M, additional, Roe, N.A, additional, Zizka, G, additional, Roberts, D, additional, Barni, D, additional, Brenna, E, additional, Defendi, I, additional, Forti, A, additional, Giugni, D, additional, Lanni, F, additional, Palombo, F, additional, Vaniev, V, additional, Leona, A, additional, Mandelli, E, additional, Manfredi, P.F, additional, Perazzo, A, additional, Re, V, additional, Angelini, C, additional, Batignani, G, additional, Bettarini, S, additional, Bondioli, M, additional, Bosi, F, additional, Calderini, G, additional, Carpinelli, M, additional, Dutra, F, additional, Forti, F, additional, Gagliardi, D, additional, Giorgi, M.A, additional, Lusiani, A, additional, Mammini, P, additional, Morganti, M, additional, Morsani, F, additional, Paoloni, E, additional, Profeti, A, additional, Rama, M, additional, Rampino, G, additional, Rizzo, G, additional, Sandrelli, F, additional, Simi, G, additional, Triggiani, G, additional, Tritto, S, additional, Vitale, R, additional, Burchat, P, additional, Cheng, C, additional, Kirkby, D, additional, Meyer, T, additional, Roat, C, additional, Bona, M, additional, Bianchi, F, additional, Daudo, F, additional, Girolamo, B.Di, additional, Gamba, D, additional, Giraudo, G, additional, Grosso, P, additional, Romero, A, additional, Smol, A, additional, Trapani, P, additional, Zanin, D, additional, Bosisio, L, additional, Ricca, G.Della, additional, Lanceri, L, additional, Pompili, A, additional, Poropat, P, additional, Prest, M, additional, Rastelli, C, additional, Vallazza, E, additional, Vuagnin, G, additional, Hast, C, additional, Potter, E.P, additional, Sharma, V, additional, Burke, S, additional, Callahan, D, additional, Campagnari, C, additional, Dahmes, B, additional, Eppich, A, additional, Hale, D, additional, Hall, K, additional, Hart, P, additional, Kuznetsova, N, additional, Kyre, S, additional, Levy, S, additional, Long, O, additional, May, J, additional, Richman, J, additional, Verkerke, W, additional, Witherell, M, additional, Beringer, J, additional, Eisner, A.M, additional, Frey, A, additional, Grillo, A, additional, Grothe, M, additional, Johnson, R, additional, Kroeger, W, additional, Lockman, W, additional, Pulliam, T, additional, Rowe, W, additional, Schmitz, R, additional, Seiden, A, additional, Spencer, E, additional, Turri, M, additional, Wilder, M, additional, Charles, E, additional, Elmer, P, additional, Nielsen, J, additional, Orejudos, W, additional, Scott, I, additional, Walsh, J, additional, and Zobernig, H, additional

Published
2000
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50. Precise measurement of mixing parameters at the ϒ(4S)

Author

Behrens, B.H., primary, Ford, W.T., additional, Gritsan, A., additional, Roy, J., additional, Smith, J.G., additional, Alexander, J.P., additional, Baker, R., additional, Bebek, C., additional, Berger, B.E., additional, Berkelman, K., additional, Blanc, F., additional, Boisvert, V., additional, Cassel, D.G., additional, Dickson, M., additional, Drell, P.S., additional, Ecklund, K.M., additional, Ehrlich, R., additional, Foland, A.D., additional, Gaidarev, P., additional, Gibbons, L., additional, Gittelman, B., additional, Gray, S.W., additional, Hartill, D.L., additional, Heltsley, B.K., additional, Hopman, P.I., additional, Jones, C.D., additional, Kreinick, D.L., additional, Lohner, M., additional, Magerkurth, A., additional, Meyer, T.O., additional, Mistry, N.B., additional, Nordberg, E., additional, Patterson, J.R., additional, Peterson, D., additional, Riley, D., additional, Thayer, J.G., additional, Thies, P.G., additional, Valant-Spaight, B., additional, Warburton, A., additional, Avery, P., additional, Prescott, C., additional, Rubiera, A.I., additional, Yelton, J., additional, Zheng, J., additional, Brandenburg, G., additional, Ershov, A., additional, Gao, Y.S., additional, Kim, D.Y.-J., additional, Wilson, R., additional, Browder, T.E., additional, Li, Y., additional, Rodriguez, J.L., additional, Yamamoto, H., additional, Bergfeld, T., additional, Eisenstein, B.I., additional, Ernst, J., additional, Gladding, G.E., additional, Gollin, G.D., additional, Hans, R.M., additional, Johnson, E., additional, Karliner, I., additional, Marsh, M.A., additional, Palmer, M., additional, Plager, C., additional, Sedlack, C., additional, Selen, M., additional, Thaler, J.J., additional, Williams, J., additional, Edwards, K.W., additional, Janicek, R., additional, Patel, P.M., additional, Sadoff, A.J., additional, Ammar, R., additional, Bean, A., additional, Besson, D., additional, Davis, R., additional, Kwak, N., additional, Zhao, X., additional, Anderson, S., additional, Frolov, V.V., additional, Kubota, Y., additional, Lee, S.J., additional, Mahapatra, R., additional, O'Neill, J.J., additional, Poling, R., additional, Riehle, T., additional, Smith, A., additional, Urheim, J., additional, Ahmed, S., additional, Alam, M.S., additional, Athar, S.B., additional, Jian, L., additional, Ling, L., additional, Mahmood, A.H., additional, Saleem, M., additional, Timm, S., additional, Wappler, F., additional, Anastassov, A., additional, Duboscq, J.E., additional, Gan, K.K., additional, Gwon, C., additional, Hart, T., additional, Honscheid, K., additional, Hufnagel, D., additional, Kagan, H., additional, Kass, R., additional, Pedlar, T.K., additional, Schwarthoff, H., additional, Thayer, J.B., additional, von Toerne, E., additional, Zoeller, M.M., additional, Richichi, S.J., additional, Severini, H., additional, Skubic, P., additional, Undrus, A., additional, Chen, S., additional, Fast, J., additional, Hinson, J.W., additional, Lee, J., additional, Menon, N., additional, Miller, D.H., additional, Shibata, E.I., additional, Shipsey, I.P.J., additional, Pavlunin, V., additional, Cronin-Hennessy, D., additional, Kwon, Y., additional, Lyon, A.L., additional, Thorndike, E.H., additional, Jessop, C.P., additional, Marsiske, H., additional, Perl, M.L., additional, Savinov, V., additional, Ugolini, D., additional, Zhou, X., additional, Coan, T.E., additional, Fadeyev, V., additional, Maravin, Y., additional, Narsky, I., additional, Stroynowski, R., additional, Ye, J., additional, Wlodek, T., additional, Artuso, M., additional, Ayad, R., additional, Boulahouache, C., additional, Bukin, K., additional, Dambasuren, E., additional, Karamov, S., additional, Majumder, G., additional, Moneti, G.C., additional, Mountain, R., additional, Schuh, S., additional, Skwarnicki, T., additional, Stone, S., additional, Viehhauser, G., additional, Wang, J.C., additional, Wolf, A., additional, Wu, J., additional, Kopp, S., additional, Csorna, S.E., additional, Danko, I., additional, McLean, K.W., additional, Márka, Sz., additional, Xu, Z., additional, Godang, R., additional, Kinoshita, K., additional, Lai, I.C., additional, Schrenk, S., additional, Bonvicini, G., additional, Cinabro, D., additional, McGee, S., additional, Perera, L.P., additional, Zhou, G.J., additional, Lipeles, E., additional, Schmidtler, M., additional, Shapiro, A., additional, Sun, W.M., additional, Weinstein, A.J., additional, Würthwein, F., additional, Jaffe, D.E., additional, Masek, G., additional, Paar, H.P., additional, Potter, E.M., additional, Prell, S., additional, Sharma, V., additional, Asner, D.M., additional, Eppich, A., additional, Gronberg, J., additional, Hill, T.S., additional, Morrison, R.J., additional, Nelson, H.N., additional, and Briere, R.A., additional

Published
2000
Full Text
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